DTVIIC(4)               NetBSD Kernel Interfaces Manual              DTVIIC(4)


NAME
dtviic, au8522, cx24227, lg3303, mt2131, nxt2k, zl10353, tvpll, xc3028, xc5k -- Inter IC (I2C) modules for DTV
DESCRIPTION
The dtviic modules provide support for dtv(4) devices. The dtviic module group includes tuners, demodulators, and analog video decoders. The usual hardware structure consists of a host controller (connected for instance via usb(4) or pci(4)) that provides the data moving facilities (for the analog or digital video streams) and an iic(4) bus over which the other chips can be configured. For example, a typical dtv(4) setup would look like this: 1. Initialize transport stream (TS) port on the host controller. 2. Configure the demodulator that ``demodulates'' the information from an intermediate frequency (IF) that is provided to it by the associated tuner. This step typically includes setting the desired quadrature amplitude modulation (QAM) and band- width, among other things. 3. Configure the tuner. Typically this step includes at least setting the frequency. 4. Start TS transfer (using DMA transfers or USB high speed transfers). The supported demodulators include: au8522 Auvitek AU8522 ATSC/QAM64/QAM256 demodulator cx24227 Conexant CX24227 ATSC/QAM64/QAM256 demodulator lg3303 LG LGDT3303 ATSC/QAM64/QAM256 demodulator mt2131 MicroTune MT2131 ATSC demodulator nxt2k NxtWave Communications NXT2004 ATSC demodulator zl10353 Zarlink ZL10353 (Intel CE623x) COFDM/DVB-T demodulator The supported tuners are: tvpll Generic PLL-based tuners xc3028 XCeive XC3028 analog and digital tuner xc5k Xceive XC5000 analog and digital tuner
FILES
dvb-fe-nxt2004.fw needed by nxt2k xc3028-v27.fw or xc3028L-v36.fw (provided by pkgsrc/sysutils/xc3028l-firmware) needed by xc3028 dvb-fe-xc5000-1.6.114.fw needed by xc5k, provided by the pkgsrc/sysutils/xc5k-firmware
SEE ALSO
dtv(4), iic(4), module(7)
HISTORY
The dtviic modules first appeared in NetBSD 6.0.
AUTHORS
Authors include Jared D. McNeill <jmcneill@NetBSD.org>, Jonathan A. Kollasch <jakllsch@NetBSD.org>, and Jukka Ruohonen <jruohonen@iki.fi>. NetBSD 9.0 August 30, 2011 NetBSD 9.0

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